package cn.tedu._03vehicle.controller;

import cn.tedu._03vehicle.base.response.JsonResult;
import cn.tedu._03vehicle.base.response.StatusCode;
import cn.tedu._03vehicle.mapper.UserMapper;
import cn.tedu._03vehicle.pojo.dto.UserLoginParam;
import cn.tedu._03vehicle.pojo.dto.UserRegParam;
import cn.tedu._03vehicle.pojo.entity.User;
import cn.tedu._03vehicle.pojo.vo.UserLoginVo;
import com.github.xiaoymin.knife4j.annotations.ApiOperationSupport;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import jakarta.servlet.http.HttpSession;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;

import java.util.Date;

@Slf4j
@RestController
@Tag(name = "01-用户管理模块")
@RequestMapping("/v1/user")
public class UserController {
    @Autowired
    private UserMapper userMapper;

    @PostMapping("/reg")
    @Operation(summary = "用户注册")
    @ApiOperationSupport(order = 10)
    public JsonResult reg(@RequestBody @Validated UserRegParam userRegParam) {
        log.debug("reg user: {}", userRegParam);

        String username = userRegParam.getUsername();

        int count = userMapper.selectByName(username);
        if (count > 0) {
            return new JsonResult(StatusCode.OPERATION_EXISTS);
        }

        User user = new User();
        BeanUtils.copyProperties(userRegParam, user);

        user.setCreateTime(new Date());
        user.setUpdateTime(new Date());

        log.debug("实体类: {}", user);

        int i = userMapper.insert(user);
        if (i > 0) {
            return JsonResult.ok();
        }
        return new JsonResult(StatusCode.UNKNOWN_ERROR);
    }

    @PostMapping("/login")
    @Operation(summary = "用户登录")
    @ApiOperationSupport(order = 20)
    public JsonResult login(@RequestBody UserLoginParam userLoginParam, HttpSession session) {
        log.debug("login user: {}", userLoginParam);

        UserLoginVo userLoginVo = userMapper.selectByNameAndPassword(userLoginParam);

        if (userLoginVo == null) {
            return new JsonResult(StatusCode.USERNAME_PASSWORD_ERROR);
        }

        session.setAttribute("user", userLoginVo);
        return JsonResult.ok(userLoginVo);
    }

    @GetMapping("/currentUser")
    @Operation(summary = "获取当前登录用户")
    @ApiOperationSupport(order = 30)
    public JsonResult currentUser(HttpSession session) {
        UserLoginVo user = (UserLoginVo) session.getAttribute("user");

        return JsonResult.ok(user);
    }

    @PostMapping("/logout")
    @Operation(summary = "用户退出登录")
    @ApiOperationSupport(order = 40)
    public void logout(HttpSession session) {
        session.removeAttribute("user");
    }
}
